PM me if you are interested in hearing my multi-instructor and agency perspective on placing jumps, etc.
Practicing setting lines is a good idea, and in addition following those lines with your eyes closed will develop solid lights out navigation skills. If you lay them along a wall in a quarry with variation in depth, it will also force you to develop a feel for your buoyancy when you lack visual reference.
Practicing setting lines is a good idea, and in addition following those lines with your eyes closed will develop solid lights out navigation skills. If you lay them along a wall in a quarry with variation in depth, it will also force you to develop a feel for your buoyancy when you lack visual reference.